68607879158 has 48 divisors (see below), whose sum is σ = 129759830496. Its totient is φ = 26629424640.

The previous prime is 68607879113. The next prime is 68607879163. The reversal of 68607879158 is 85197870686.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 68607879094 and 68607879103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148163 + ... + 398958.

It is an arithmetic number, because the mean of its divisors is an integer number (2703329802).

Almost surely, 2^68607879158 is an apocalyptic number.

68607879158 is a deficient number, since it is larger than the sum of its proper divisors (61151951338).

68607879158 is a wasteful number, since it uses less digits than its factorization.

68607879158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547209 (or 547196 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 65.

The spelling of 68607879158 in words is "sixty-eight billion, six hundred seven million, eight hundred seventy-nine thousand, one hundred fifty-eight".